Most likely, the mod will stop working entirely. You'll need to uninstall and reinstall, often losing downloaded maps.
Downloading a "fully unlocked" modded file from unverified sources carries several dangers: TomTom GO Expert: Truck GPS 3.5.9 - APKMirror tomtom go navigation 35 9 mod apk full unlocked work
While you may find "unlocked" or "mod APK" versions of TomTom GO Navigation 35.9 online, downloading and installing these files carries significant security and legal risks. The Allure and Perils of the Shortcut: An